Embryonic Stem CellsRegenerationAmbystoma mexicanumExtremitiesStem CellsCell DifferentiationTurbellariaNotophthalmusCell ProliferationAmbystomaNotophthalmus viridescensPluripotent Stem CellsForelimbCells, CulturedStem Cell TransplantationEmbryo, MammalianHematopoietic Stem CellsCell LineageOctamer Transcription Factor-3Cell LineGene Expression Regulation, DevelopmentalCell Culture TechniquesCell DivisionInduced Pluripotent Stem CellsSignal TransductionAdult Stem CellsNeural Stem CellsHomeodomain ProteinsTranscription FactorsEmbryoid BodiesReverse Transcriptase Polymerase Chain ReactionMultipotent Stem CellsSalamandridaeGene Expression RegulationSOXB1 Transcription FactorsRNA, MessengerEmbryo ResearchImmunohistochemistryTeratomaMice, Inbred C57BLMesenchymal Stromal CellsGene Expression ProfilingStem Cell NicheFlow CytometryApoptosisGene ExpressionCell SurvivalHematopoietic Stem Cell TransplantationCell CycleTretinoinMolecular Sequence DataCell Line, TumorTotipotent Stem CellsMice, KnockoutEndodermPlanariansMice, TransgenicBase SequenceLeukemia Inhibitory FactorDNA-Binding ProteinsPhenotypeGerm LayersTime FactorsGene TargetingCoculture TechniquesModels, BiologicalNeuronsMesodermMesenchymal Stem Cell TransplantationChimeraAnimal FinsStem Cell FactorBlotting, WesternCell SeparationBromodeoxyuridineCell MovementBiological MarkersCell DedifferentiationIn Situ HybridizationFibroblastsHematopoiesisTransfectionBone Morphogenetic Protein 4Stem Cell ResearchGreen Fluorescent ProteinsBlastocystRNA InterferenceBone Marrow CellsStage-Specific Embryonic AntigensRNA, Small InterferingDown-RegulationPromoter Regions, GeneticNuclear ReprogrammingGerm CellsTranscription, GeneticMice, SCIDOligonucleotide Array Sequence AnalysisNeurogenesisGene Knockdown TechniquesFeeder Cells